/
views.py
executable file
·61 lines (50 loc) · 1.61 KB
/
views.py
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import logging
import urllib
from google.appengine.api import urlfetch
from google.appengine.ext import deferred
from django.utils.simplejson import loads, dumps
from jsonrpc import ServiceProxy
from models import *
dataBase='http://freefall.blanu.net/'
nodeUrl='http://blanu.net/viewMap/'
def purgeViews(doc):
logging.info('Purging views for '+str(doc))
views=View.all().filter('source =', doc).fetch(100)
for view in views:
view.delete()
def callNode(viewUrl, dataUrl):
logging.info('Calling node '+str(url)+' '+str(params))
url=viewUrl+"?data="+urllib.quote(dataUrl, '')
try:
result = urlfetch.fetch(url=url)
except:
logging.error('Exception in fetch')
return None
if result.status_code != 200:
logging.error("Bad result: "+str(result.status_code))
return None
data=loads(result.content)
return data
def runView(viewId, viewUrl, dbid, docid):
logging.info('sending document to view: '+str(docid))
dataUrl=dataBase+dbid+'/'+docid
data=callNode(viewUrl, dataUrl)
if data!=None:
logging.info('got view result: '+str(data))
key=data['key']
value=data['value']
db=Database.all().filter("dbid =", dbid).get()
if db==None:
logging.error("No such database "+str(dbid))
return
view=Database.all().ancestor(db).filter("dbid =", viewId).get()
if view==None:
logging.error("No such database "+str(viewId))
return
s=ServiceProxy(dataBase+'db')
s.modify([dbid, viewId], [
['add', [key, value]]
])
def runViews(doc, views):
for view in views:
deferred.defer(runView, view.dbid, view.viewUrl, doc.dbid, doc.docid)